Accuform TAR404 Tags By-The-Roll Lockout Tags,"DANGER DO NOT OPERATE", PF-Cardstock, (Roll of 100) Tags are housed inside an eye-catching, octagon-shaped cardboard dispenser which features a 1-1/2" perforated center hole for mounting Tags are connected end-to-end with perforations for easy removal Pulp-free PF-Cardstock tags are tear-resistant and waterproof, with a mar-resistant, matte surface that is easy to write on with pen or marker Tag Size: 6-1/4" x 3"; Top of tag has oversized 3/8" plain hole; Dispenser Size: 6-5/8" x 6-5/8" x 3-5/8" Complies with OSHA 29 CFR 1910.145 and ANSI Z535 requirements